// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init({
  env: cloud.DYNAMIC_CURRENT_ENV
})
const db = cloud.database().collection('groupMember')

// 云函数入口函数
exports.main = async(event, context) => {
  const wxContext = cloud.getWXContext()
  return await db.add({
      data: {
        groupId: event.groupId,
        userId: wxContext.OPENID
      }
    })
    .then(res => {
      return res
    })
}